CN219683705U - Spinning machine with cleaning device - Google Patents

Spinning machine with cleaning device Download PDF

Info

Publication number
CN219683705U
CN219683705U CN202320661206.3U CN202320661206U CN219683705U CN 219683705 U CN219683705 U CN 219683705U CN 202320661206 U CN202320661206 U CN 202320661206U CN 219683705 U CN219683705 U CN 219683705U
Authority
CN
China
Prior art keywords
spinning
horizontal
cleaning device
frame
platform
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202320661206.3U
Other languages
Chinese (zh)
Inventor
沈建华
沈巨方
钱文台
金伟忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shanghai Zundao Protection Technology Co ltd
Original Assignee
Shanghai Zundao Protection Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Zundao Protection Technology Co ltd filed Critical Shanghai Zundao Protection Technology Co ltd
Priority to CN202320661206.3U priority Critical patent/CN219683705U/en
Application granted granted Critical
Publication of CN219683705U publication Critical patent/CN219683705U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Cleaning By Liquid Or Steam (AREA)

Abstract

The utility model relates to the technical field of spinning machines and discloses a spinning machine with a cleaning device, which comprises a frame, wherein a first spinning platform is rotatably arranged on the frame, a rotating spinning wheel is movably arranged on the frame, an inserting ring plate is arranged on the first spinning platform, an inserting ring groove is formed in the top end of the inserting ring plate, a water blocking ring plate is inserted into the inserting ring groove, a water tank is formed among the water blocking ring plate, the inserting ring plate and the first spinning platform, and a flushing assembly for flushing the first spinning platform is arranged on the frame. The utility model has the effect of conveniently cleaning the accumulated adhesive glue.

Description

Spinning machine with cleaning device
Technical Field
The utility model relates to the technical field of spinning machines, in particular to a spinning machine with a cleaning device.
Background
The spinning machine belongs to metal plastic forming machinery, and the outline shape of the metal is changed by applying pressure to the metal through spinning.
Among the prior art, a spinning machine includes the frame, rotates in the frame and installs first spinning platform, rotates in the frame and installs the pinch roller. When the spinning machine is used, a worker fixes a shell-shaped metal piece, such as a hollow upper cover, on the first spinning platform, a sealing ring is arranged at the bottom of the metal piece, adhesive glue is smeared on the sealing ring, the first spinning platform rotates, the metal piece rotates, the pressing wheel rotates to press edges of the metal piece, the pressing wheel carries out spinning towards the center direction and downward direction of the metal piece on the edge of the metal piece, and the sealing ring is tightly combined with the bottom of the metal piece.
When the press wheel machine carries out spinning to the metal piece, redundant adhesive glue between the sealing ring and the metal piece can overflow, so that adhesive glue remains on the first spinning platform, and after spinning for many times, the residual adhesive glue can be accumulated on the first spinning platform in a large quantity, and normal operation is affected.
Disclosure of Invention
In order to facilitate cleaning of accumulated adhesive glue, the utility model provides a spinning machine with a cleaning device.
The spinning machine with the cleaning device provided by the utility model adopts the following technical scheme:
the utility model provides a take cleaning device's spinning machine, includes the frame, it is provided with first spinning platform to rotate in the frame, it is provided with pivoted spinning wheel to remove in the frame, be provided with the grafting annular plate on the first spinning platform, the grafting annular plate top has been seted up, the grafting has the manger plate annular plate to peg graft in the grafting annular plate, the manger plate annular plate the grafting annular plate with form the basin between the first spinning platform, the frame is provided with and is used for washing the washing subassembly of first spinning platform.
By adopting the technical scheme, when the spinning wheel carries out spinning on the metal piece, the water retaining ring plate is taken away, the plugging ring plate is very low, the spinning wheel is not influenced, a worker places the metal piece and the sealing ring on the first spinning platform, the sealing ring is smeared with adhesive glue, the first spinning platform rotates, the spinning wheel moves to a proper position for spinning, the metal piece is tightly combined with the sealing ring, and the adhesive glue overflows on the first spinning platform in the spinning process;
when the spinning roller is required to be cleaned, the spinning roller moves away from the first spinning platform, a worker inserts the water retaining ring plate into the inserting ring plate, the flushing assembly flushes the first spinning platform, and adhesive glue on the first spinning platform is cleaned.
Preferably, the side wall of the plugging ring groove is provided with a waterproof sealing ring, and one side of the water retaining ring plate is propped against the waterproof sealing ring.
Through adopting above-mentioned technical scheme, waterproof sealing ring top connects the manger plate annular shield, promotes waterproof nature.
Preferably, the plugging ring plate is provided with a sealing screw hole communicated with the plugging ring groove, the sealing screw hole is in threaded connection with a sealing bolt, the sealing bolt is propped against the water retaining ring plate, and the waterproof sealing ring and the sealing bolt are respectively positioned at two sides of the water retaining ring plate.
By adopting the technical scheme, a worker screws up the sealing bolt, and the water retaining ring plate tightly presses the waterproof sealing ring, so that the waterproofness is improved; when the water retaining ring plate is taken away, a worker needs to unscrew the sealing bolt.
Preferably, the water retaining ring plate is provided with a drain hole communicated with the water tank, and a plug is inserted into the drain hole.
Through adopting above-mentioned technical scheme, wash the back of accomplishing, the workman pulls out the chock plug, conveniently discharges ponding in the basin.
Preferably, the flushing assembly comprises a plurality of cleaning water guns which are arranged on the frame and are communicated with a water source, and the cleaning water guns are positioned above the water tank.
Through adopting above-mentioned technical scheme, wash the squirt and wash first spinning platform, when washing, first spinning platform constantly rotates, washs squirt and can three hundred sixty degrees wash first spinning platform.
Preferably, the first spinning platform is provided with a limiting ring groove for inserting the sealing ring.
Through adopting above-mentioned technical scheme, the workman is pegged graft the sealing washer on spacing annular, is pegged graft the metalwork outside the sealing washer again, and the sealing washer is limited by spacing annular, and the metalwork is limited by the sealing washer, and during the spinning, the metalwork rotates with the sealing washer comparatively steadily follow first spinning platform.
Preferably, a horizontal block is fixed on the frame, the horizontal block is rotatably provided with a horizontal screw, the horizontal screw is in threaded connection with a horizontal moving block, a horizontal guide rail is arranged on the frame, the horizontal moving block is glidingly arranged on the horizontal guide rail, and the spinning wheel is rotatably arranged on the horizontal moving block.
Through adopting above-mentioned technical scheme, rotate horizontal lead screw, the horizontal movable block has pivoted trend, but the horizontal movable block is limited unable rotation by horizontal guide rail, and the horizontal movable block removes along horizontal lead screw axis, realizes the removal in the aspect of the water of spinning wheel.
Preferably, the horizontal moving block is provided with a vertical block, the vertical block is rotatably provided with a vertical screw rod, the vertical screw rod is in threaded connection with the vertical moving block, the horizontal moving block is provided with a limiting channel, two sides of the vertical moving block are propped against the side wall of the limiting channel, and the spinning wheel is rotationally arranged on the vertical moving block.
Through adopting above-mentioned technical scheme, rotate vertical lead screw, vertical movable block has pivoted trend, but the unable rotation of vertical movable block by spacing passageway restriction, and vertical movable block removes along vertical lead screw axis, realizes the removal of the vertical direction of spinning wheel.
Preferably, a hand wheel is fixed at one end of the vertical screw rod and one end of the horizontal screw rod.
By adopting the technical scheme, the hand wheel is convenient for workers to rotate the horizontal screw rod and the vertical screw rod.
In summary, the present utility model includes at least one of the following beneficial technical effects:
1. when the spinning roller is required to be cleaned, the spinning roller moves away from the first spinning platform, a worker inserts the water retaining ring plate into the inserting ring plate, and the flushing assembly flushes the first spinning platform to clean the adhesive glue on the first spinning platform;
2. the worker screws up the sealing bolt, the water retaining ring plate presses the waterproof sealing ring tightly, and the waterproof property is improved;
3. after the cleaning is finished, a worker pulls out the plug head, so that accumulated water in the water tank is conveniently discharged.
Drawings
Fig. 1 is a schematic structural view of a spinning machine with a cleaning device according to an embodiment of the present utility model.
Fig. 2 is a partial enlarged view at a in fig. 1.
Fig. 3 is a schematic sectional view of a spinning machine with a cleaning device at a sealing bolt according to an embodiment of the utility model.
Reference numerals illustrate: 1. a frame; 2. a first spinning platform; 3. a second spinning platform; 4. a limit ring groove; 5. a fixing frame; 6. a first fixing plate; 7. a horizontal block; 8. a horizontal screw; 9. a hand wheel; 10. a horizontal moving block; 12. a horizontal slider; 13. a horizontal guide rail; 14. a second fixing plate; 15. a vertical block; 16. a vertical screw; 17. a vertical moving block; 19. a mounting block; 20. a rotating wheel; 21. a limiting channel; 22. a plug-in ring plate; 23. a plug ring groove; 24. a water retaining ring plate; 25. a water tank; 26. a waterproof sealing ring; 27. sealing the screw hole; 28. a sealing bolt; 29. a steel rod; 30. cleaning the water gun, 31 and the drain hole; 32. a plug.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-3.
The embodiment of the utility model discloses a spinning machine with a cleaning device.
Referring to fig. 1, a spinning machine with a cleaning device comprises a frame 1, wherein a first spinning platform 2 is rotatably installed on the frame 1, the first spinning platform 2 is a square plate which is horizontally placed, and the first spinning platform 2 rotates on a horizontal plane along a center point of the first spinning platform. The top surface of the first spinning platform 2 is fixedly provided with a second spinning platform 3, the second spinning platform 3 is square basin-shaped with an upward opening, the top of the second spinning platform 3 is provided with a limiting ring groove 4 for a sealing ring, the inner cavity of the limiting ring groove 4 is square ring-shaped, and the limiting ring groove 4 is communicated with the inner cavity of the second spinning platform 3.
When the rotary extrusion device is used, a worker inserts the sealing ring into the limiting ring groove 4, then reversely buckles the square basin-shaped metal piece at the top of the second rotary extrusion platform 3, the sealing ring is inserted into the opening of the metal piece, adhesive glue is smeared on the sealing ring, the first rotary extrusion platform 2 rotates to drive the second rotary extrusion platform 3 to rotate, the sealing ring is limited by the limiting ring groove 4, the metal piece is limited by the sealing ring, and the metal piece and the sealing ring rotate relatively stably.
Referring to fig. 1 and 2, a fixing frame 5 is fixedly installed on a frame 1, a -shaped first fixing plate 6 is fixedly installed on the fixing frame 5, a horizontal block 7 is fixed on the outer side of the first fixing plate 6, a horizontal screw rod 8 is rotatably installed on the horizontal block 7 through a screw rod bearing, the axis of the horizontal screw rod 8 is parallel to the horizontal plane, and a hand wheel 9 is coaxially fixed at one end, far away from the horizontal block 7, of the horizontal screw rod 8; the horizontal moving block 10, the horizontal moving block 10 runs through and has offered the horizontal screw, horizontal screw and horizontal lead screw 8 threaded connection. The horizontal sliding block 12 is fixed on one side of the horizontal moving block 10, the horizontal sliding block 12 is a long strip with a -shaped cross section, the horizontal guide rail 13 is fixed on the fixing frame 5, the horizontal guide rail 13 is a square strip which is horizontally placed, and two sides of the horizontal guide rail 13 are propped against the inner wall of the horizontal sliding block 12.
When the horizontal guide rail type horizontal guide rail device is used, the hand wheel 9 is rotated, the horizontal guide screw 8 is rotated, the horizontal sliding block 12 is limited by the horizontal guide rail 13, the horizontal moving block 10 cannot rotate, and the horizontal moving block 10 moves along the axis of the horizontal guide screw 8.
Referring to fig. 1 and 2, a -shaped second fixing plate 14 is fixed on a horizontal sliding block 12, a vertical block 15 is fixed at the top of the second fixing plate 14, a vertical lead screw 16 with a vertical axis is rotatably installed on the vertical block 15 through a lead screw bearing, two ends of the vertical lead screw 16 pass through the vertical block 15, a hand wheel 9 is coaxially and fixedly installed at the top end of the vertical lead screw 16, and the bottom end of the vertical lead screw 16 passes through the top of the second fixing plate 14 and is positioned at the inner side of the second fixing plate 14; the vertical moving block 17 is positioned on the inner side of the second fixed plate 14, and a vertical screw hole is formed in the vertical moving block 17 in a penetrating mode and is in threaded connection with the vertical screw rod 16. The mounting block 19 is fixedly mounted on the vertical moving block 17, and a rotating wheel 20 is rotatably mounted at one end, far away from the vertical moving block 17, of the mounting block 19. A limiting channel 21 is formed between the two side walls on the inner side of the second fixing plate 14, and two sides of the mounting block 19 are respectively propped against the two side walls on the inner wall of the limiting channel 21.
When the vertical guide screw device is used, the hand wheel 9 is rotated, the vertical guide screw 16 is rotated, the mounting block 19 is limited by the limiting channel 21, the mounting block 19 is fixed with the vertical moving block 17, the vertical moving block 17 cannot rotate to move along the axis of the vertical guide screw 16, and at the moment, the mounting block 19 also moves up and down;
the worker rotates the two handwheels 9 according to actual needs, adjusts the horizontal and vertical positions of the spinning roller 20, the spinning roller 20 carries out spinning on the metal piece, the metal piece deforms, the metal piece is tightly combined with the sealing ring, meanwhile, redundant adhesive overflows and is sprayed on the second spinning platform 3 and the first spinning platform 2, and when the worker takes away the metal piece, the adhesive drops on the second spinning platform 3 and the first spinning platform 2.
Referring to fig. 1, a plugging ring plate 22 is welded on the first spinning platform 2, the plugging ring plate 22 is square, a plugging ring groove 23 is formed at the top end of the plugging ring plate 22, a water retaining ring plate 24 is plugged in the plugging ring groove 23, a water groove 25 is formed between the water retaining ring plate 24, the plugging ring plate 22 and the first spinning platform 2, and the second spinning platform 3 and the first spinning platform 2 are located in the water groove 25.
Referring to fig. 3, a waterproof sealing ring 26 is fixed on the side wall of the insertion ring groove 23 near the center of the water tank 25, and one side of the water blocking ring 24 abuts against the waterproof sealing ring 26. Sealing screw holes 27 communicated with the plug ring grooves 23 are formed in four surfaces of the plug ring plate 22, sealing bolts 28 are connected with the sealing screw holes 27 in a threaded mode, the sealing bolts 28 are propped against the water retaining ring plate 24, and the water retaining ring 26 and the sealing bolts 28 are located on two sides of the water retaining ring plate 24 respectively.
Referring to fig. 1, a frame 1 is provided with a flushing assembly for flushing a first spinning platform 2, the flushing assembly comprises two steel rods 29 fixedly installed on the frame 1, each steel rod 29 is a square rod, cleaning water guns 30 for spraying water to a water tank 25 are installed at the top ends of the steel rods 29, the cleaning water guns 30 are communicated with a water source, the water spraying angles of the two cleaning water guns 30 are different, and the two cleaning water guns 30 are located above the water tank 25.
When the adhesive glue is not required to be cleaned, the sealing bolt 28 is screwed out, the water retaining ring plate 24 is taken out, the height of the inserting ring plate 22 is very low, the spinning wheel 20 is not influenced, and at the moment, the metal piece can be spun by the spinning wheel 20 through the movement of the vertical direction and the horizontal direction;
when the adhesive glue needs to be cleaned, the spinning roller 20 can move away from the plug ring plate 22 through the vertical direction and the horizontal direction, the water retaining ring plate 24 is inserted into the plug ring groove 23, the sealing bolt 28 is screwed, the sealing bolt 28 enables the water retaining ring plate 24 to be tightly pressed on the waterproof sealing ring 26, water cannot leak from the plug ring groove 23 at the moment, the cleaning water gun 30 is opened, the cleaning water gun 30 sprays water to the water tank 25 to start cleaning and flushing the second spinning platform 3 and the first spinning platform 2, when the second spinning platform 3 and the first spinning platform 2 rotate, the cleaning water gun 30 can spray water for three hundred sixty degrees to flush the second spinning platform 3 and the first spinning platform 2, and the water spraying angles of the cleaning water gun 30 are different, so that the cleaning effect is better.
Referring to fig. 1, a drain hole 31 communicating with the water tank 25 is formed in the side wall of the water deflector 24, and a plug 32 is inserted into the drain hole 31. When the cleaning is completed, the second spinning platform 3 and the first spinning platform 2 are stationary, sewage is accumulated in the water tank 25, the plug 32 is opened, the sewage is discharged, and workers introduce the sewage into a proper treatment place.
The implementation principle of the spinning machine with the cleaning device provided by the embodiment of the utility model is as follows: when the adhesive glue is not required to be cleaned, the sealing bolt 28 is screwed out, the water retaining ring plate 24 is taken out, a worker rotates the hand wheel 9 to adjust the vertical screw rod 16 and the horizontal screw rod 8, the second spinning platform 3 and the first spinning platform 2 drive the metal piece and the sealing ring to rotate, at the moment, the spinning wheel 20 can spin the metal piece through the movement of the vertical direction and the horizontal direction, the metal piece is tightly attached to the sealing ring, a large amount of adhesive glue overflows, and the adhesive glue can be accumulated on the second spinning platform 3 and the first spinning platform 2 in the processing process;
when the adhesive glue needs to be cleaned, the hand wheel 9 is rotated to adjust the horizontal screw rod 8 and the vertical screw rod 16, the spinning roller 20 can move away from the plug-in annular plate 22 through the vertical direction and the horizontal direction, the second spinning platform 3 and the first spinning platform 2 stop rotating, the water retaining annular plate 24 is inserted into the plug-in annular groove 23, the sealing bolt 28 is screwed down, the sealing bolt 28 enables the water retaining annular plate 24 to be tightly pressed on the waterproof sealing ring 26, at the moment, water cannot leak from the plug-in annular groove 23, the second spinning platform 3 and the first spinning platform 2 start rotating, the cleaning water gun 30 is opened, the cleaning water gun 30 starts to spray water to clean and wash the second spinning platform 3 and the first spinning platform 2 through the water tank 25, the cleaning water gun 30 can spray water for three hundred sixty degrees to wash the second spinning platform 3 and the first spinning platform 2, and the cleaning water gun 30 has different water spraying angles, so that the cleaning effect is better, after the cleaning is finished, sewage is accumulated in the water tank 25, and a worker opens a plug 32 and introduces the sewage into a proper treatment place.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims (9)

1. The utility model provides a take cleaning device's spinning-lathe which characterized in that: including frame (1), rotate on frame (1) and be provided with first spinning platform (2), the upward removal of frame (1) is provided with pivoted spinning wheel (20), be provided with grafting annular plate (22) on first spinning platform (2), grafting annular plate (23) have been seted up on grafting annular plate (22) top, the interpolation of grafting annular plate (23) has manger plate annular plate (24), manger plate annular plate (24) grafting annular plate (22) with form basin (25) between first spinning platform (2), frame (1) are provided with and are used for washing the washing subassembly of first spinning platform (2).
2. The spinning machine with a cleaning device according to claim 1, wherein: the side wall of the inserting ring groove (23) is provided with a waterproof sealing ring (26), and one side of the water retaining ring plate (24) is propped against the waterproof sealing ring (26).
3. The spinning machine with a cleaning device according to claim 2, wherein: the waterproof sealing device is characterized in that a sealing screw hole (27) communicated with the plug ring groove (23) is formed in the plug ring plate (22), a sealing bolt (28) is connected to the sealing screw hole (27) in a threaded mode, the sealing bolt (28) is propped against the water retaining ring plate (24), and the waterproof sealing ring (26) and the sealing bolt (28) are respectively located on two sides of the water retaining ring plate (24).
4. The spinning machine with a cleaning device according to claim 1, wherein: the water retaining ring plate (24) is provided with a drain hole (31) communicated with the water tank (25), and a plug head (32) is inserted into the drain hole (31).
5. The spinning machine with a cleaning device according to claim 1, wherein: the flushing assembly comprises a plurality of cleaning water guns (30) which are arranged on the frame (1) and are communicated with a water source, and the cleaning water guns (30) are positioned above the water tank (25).
6. The spinning machine with a cleaning device according to claim 1, wherein: and a limiting ring groove (4) for inserting a sealing ring is formed in the first spinning platform (2).
7. The spinning machine with a cleaning device according to claim 1, wherein: the novel spinning machine is characterized in that a horizontal block (7) is fixed on the frame (1), the horizontal block (7) is rotatably provided with a horizontal screw rod (8), the horizontal screw rod (8) is in threaded connection with a horizontal moving block (10), a horizontal guide rail (13) is arranged on the frame (1), the horizontal moving block (10) is slidably arranged on the horizontal guide rail (13), and the spinning wheel (20) is rotatably arranged on the horizontal moving block (10).
8. The spinning machine with a cleaning device according to claim 7, wherein: the spinning wheel is characterized in that a vertical block (15) is arranged on the horizontal moving block (10), a vertical screw rod (16) is rotatably arranged on the vertical block (15), a vertical moving block (17) is connected with the vertical screw rod (16) in a threaded mode, a limiting channel (21) is arranged on the horizontal moving block (10), two sides of the vertical moving block (17) are propped against the side wall of the limiting channel (21), and the spinning wheel (20) is rotatably arranged on the vertical moving block (17).
9. The spinning machine with a cleaning device according to claim 8, wherein: and a hand wheel (9) is fixed at one end of the vertical screw rod (16) and one end of the horizontal screw rod (8).
CN202320661206.3U 2023-03-29 2023-03-29 Spinning machine with cleaning device Active CN219683705U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320661206.3U CN219683705U (en) 2023-03-29 2023-03-29 Spinning machine with cleaning device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320661206.3U CN219683705U (en) 2023-03-29 2023-03-29 Spinning machine with cleaning device

Publications (1)

Publication Number Publication Date
CN219683705U true CN219683705U (en) 2023-09-15

Family

ID=87941965

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320661206.3U Active CN219683705U (en) 2023-03-29 2023-03-29 Spinning machine with cleaning device

Country Status (1)

Country Link
CN (1) CN219683705U (en)

Similar Documents

Publication Publication Date Title
KR100923563B1 (en) Bearing auto washer device and washer method
CN108372333B (en) A kind of entirety gantry type water Cutting platform
CN111014138B (en) A belt cleaning device for hardware fitting processing
CN206215898U (en) A kind of die casting machine casting rinsing table
CN219683705U (en) Spinning machine with cleaning device
CN216679285U (en) Cleaning water circulation device for bearing production
CN216095062U (en) Belt cleaning device is used in bearing processing
CN112657910A (en) Use method of cleaning equipment for electronic and electromechanical assembly production
CN210407315U (en) Belt cleaning device is used in shoes production and processing
CN110815004B (en) Steel pillar derusting machine
CN211659323U (en) Oil removing groove with ultrasonic cleaning function
CN212469402U (en) Punching forming machine for automobile door glass guide rail
CN219664495U (en) AG glass production is with spraying washing unit
CN220406439U (en) Cleaning device is used in drain bar production
CN220013207U (en) Felt spraying device of paper machine
CN215545056U (en) Adjustable accurate positioning, drilling and cleaning integrated device
CN210439058U (en) Coarse cotton cloth cleaning device
CN220447257U (en) Glue injection vacuum defoaming device for hose production
CN220920878U (en) Horizontal cold chamber die casting machine
CN216125957U (en) Building materials self-adhesion protection film coating machine
CN216572484U (en) Automatic cleaning device for ultrafiltration membrane equipment
CN219899230U (en) Tower tray cleaning device for rectifying benzene tower
CN219766099U (en) Skin cleaning equipment for cable winding
CN220560423U (en) Novel pivot surface accuracy processing equipment
CN221017637U (en) Mechanical maintenance cleaning device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant